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A magic lantern is a light that projects an image onto a screen.

Over $20 per student Ages 8 - 18 2 to 4 hours
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In this optics activity, learners explore why the sky is blue and the sunset is red, using a simple setup comprising a transparent plastic box, water, and powdered milk.

$1 - $5 per group Ages 8 - 14 30 to 45 minutes
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In this optics activity, learners explore color by examining color dots through colored water and the light of a flashlight.

1 cent - $1 per student Ages 6 - 14 10 to 30 minutes
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This fun and simple hands-on astronomy activity illustrates the path of light as it reflects off of mirrors and how this is used in telescopes.

$5 - $10 per group Ages 6 - adult 5 to 10 minutes
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In this STEAM activity, learners create a "pixel tube" to explore reflections of light and color mixing.

$5 - $10 per group Ages 4 - 14 10 to 30 minutes
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In this optics activity, learners create a ripple tank from household materials to study waves. Learners build the tank and then explore by making various types of waves.

1 cent - $1 per student Ages 8 - 14 10 to 30 minutes
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This resource contains several mini-explorations using a slide projector as a light source to investigate light and the properties of images.

$1 - $5 per group Ages 8 - 14 30 to 45 minutes
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This activity guide includes instructions for building a spectroscope using a standard classroom overhead projector.

Over $20 per group Ages 11 - 18 45 to 60 minutes
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In this two-part activity about luminescence, learners explore the chemistry that happens inside glow sticks and other light producing reactions.

$1 - $5 per group Ages 8 - 14 1 to 2 hours
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In this activity, learners will explore light and rainbows with this easy setup! Learners will only need a cup of water, some paper and a flashlight.

$1 - $5 per group Ages 4 - 14 Under 5 minutes
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In this activity, learners make a photographic image—without a camera!

$5 - $10 per student Ages 6 - 18 30 to 45 minutes
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In this quick activity, Dracula has a hole in his house and learners help solve the problem by using a mirror and protractor to reflect incoming light out of his house.

free Ages 8 - 18 Under 5 minutes
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In this activity, learners explore light and shadows by creating a lantern they can keep on their nightstand.

$1 - $5 per student Ages 6 - 14 30 to 45 minutes
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In this activity, learners trap a thin layer of air between two pieces of Plexiglas to produce rainbow-colored interference patterns.

$1 - $5 per student Ages 8 - 18 10 to 30 minutes
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In this activity, learners will explore how light can refract or break apart into different colors.

1 cent - $1 per student Ages 4 - 14 10 to 30 minutes
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In this activity, learners will explore how different colors of lights interact with objects around them. Will a blue object stay blue with a red filter?

$1 - $5 per student Ages 4 - 18 5 to 10 minutes
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In this activity, learners explore how nanosized structures can create brilliant color.

Over $20 per group Ages 6 - adult 10 to 30 minutes
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In this activity, learners make their own heat waves in an aquarium.

$5 - $10 per group Ages 8 - 18 10 to 30 minutes
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In this activity, learners use a flashlight, a glass of water, and some milk to examine why the sky is blue and sunsets are red.

1 cent - $1 per group Ages 11 - 18 5 to 10 minutes
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In this activity about light and perception, learners create and observe moire patterns.

$1 - $5 per student Ages 8 - 14 10 to 30 minutes